package homework.Test1;

import java.lang.reflect.Array;
import java.util.ArrayList;

/**
 * Test1
 *
 * @author byc
 * @date 2021-11-26
 */
public class Test1 {
    public static void main(String[] args) {
        String a = "15061893400";
        String b = a.substring(0,1);
        System.out.println(b);
    }
}
